:root {
    /* Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f5;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --accent-primary: #2563eb;
    --accent-secondary: #1d4ed8;
    --accent-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --border-color: #e5e7eb;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    --card-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* NAVIGATION */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-dot {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.company-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
}

.company-link:hover {
    background: var(--bg-tertiary);
    transform: translateY(-1px);
}

.wildlife-link svg {
    color: var(--accent-primary);
}

.company-logo {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* HERO SECTION */
.hero {
    padding: 180px 0 120px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.btn {
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    border: 2px solid var(--accent-primary);
}

.btn-primary:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 40px;
    align-items: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* SECTION STYLES */
section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
    color: var(--text-primary);
}

/* ABOUT SECTION */
.about {
    background: var(--bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content {
    max-width: 600px;
}

.lead-text {
    font-size: 20px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 24px;
    font-weight: 500;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.inline-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.inline-link:hover {
    border-bottom-color: var(--accent-primary);
}

.about-links {
    display: flex;
    gap: 20px;
    margin-top: 32px;
}

.about-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.about-link:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

.about-link svg {
    color: var(--accent-primary);
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
}

.profile-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

/* EXPERTISE SECTION */
.expertise {
    background: var(--bg-secondary);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.expertise-card {
    background: var(--bg-primary);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-primary);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.card-icon svg {
    color: var(--accent-primary);
}

.expertise-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.expertise-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-list span {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* WORK SECTION */
.work {
    background: var(--bg-primary);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.work-card {
    background: var(--bg-primary);
    padding: 28px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.work-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-primary);
}

.work-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.work-tag {
    padding: 4px 10px;
    background: var(--bg-secondary);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
}

.work-date {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.work-card h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.work-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 14px;
}

.work-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.3s ease;
}

.work-link:hover {
    gap: 10px;
}

.work-link svg {
    width: 14px;
    height: 14px;
}

/* CONTACT SECTION */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info {
    max-width: 500px;
}

.contact-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-link:hover {
    transform: translateX(4px);
    border-color: var(--accent-primary);
    box-shadow: var(--card-shadow-hover);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    color: var(--accent-primary);
}

.link-label {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 2px;
}

.link-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-visual {
    position: sticky;
    top: 100px;
}

.visual-card {
    background: var(--text-primary);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.visual-header {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.visual-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #4b5563;
}

.visual-content {
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.8;
}

.code-line {
    color: #9ca3af;
}

.code-comment {
    color: #6b7280;
}

.code-keyword {
    color: #c084fc;
}

.code-var {
    color: #60a5fa;
}

.code-property {
    color: #34d399;
}

.code-string {
    color: #fbbf24;
}

/* FOOTER */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.footer-logo span {
    color: var(--accent-primary);
}

.footer-left p {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-right p {
    color: var(--text-tertiary);
    font-size: 14px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 52px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .work-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-visual {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }

    .section-title {
        font-size: 36px;
    }

    .about-links {
        flex-direction: column;
    }

    .about-link {
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}